SignProofBeta
Comparison

SignProof vs SignNow

SignNow is a document workflow platform with team features and integrations. SignProof is a developer-first alternative: a focused REST API for legally binding e-signatures, with a free tier, transparent pricing, and a PKCS#7-sealed audit trail.

Try SignProof free →
SignProofSignNow
Best fitDevelopers embedding signing into a product via REST APIBusiness teams needing document workflows, team management, and integrations
Free tierFree forever — 5 envelopes/month, full API accessFree trial; paid plans required for ongoing use
PricingTransparent self-serve: Free · $9 / $29 / $69 / $149 per monthPer-seat plan pricing; check signnow.com for current rates
Primary focusE-signatures and document integrity via REST APIDocument workflow platform with team features, templates, and integrations
Document integritySingle service-level PKCS#7 seal + hash-chained audit logAudit trail with certificate of completion
API accessFull REST API on all plans including free tierAPI available; check plan details for access level
CompliancePIPEDA, ESIGN, UETAESIGN, UETA, various regional standards

SignNow is a trademark of airSlate Inc. Comparison is for informational purposes; check current pricing and features at signnow.com.

Choose SignProof if…

  • —You want a focused REST API with full access on a free tier while building.
  • —You need transparent, self-serve pricing with no per-seat fees.
  • —You are building for Canada (PIPEDA) and the US (ESIGN / UETA).
  • —You prefer a standalone signing service with no platform lock-in.

Choose SignNow if…

  • —Your team needs document workflow management, role-based access, and team templates.
  • —You want broad third-party integrations (Salesforce, Microsoft 365, Google Workspace).
  • —You need advanced template management and bulk-send features for a sales or ops team.

Frequently asked questions

Is SignProof a good SignNow alternative?

Yes, particularly for developers who want an API-first service with full access on a free tier and transparent self-serve pricing. Both produce legally valid e-signatures. SignProof is a focused, standalone service — PKCS#7 seal and hash-chained audit log — built for developer integrations. SignNow is stronger for business teams that need document workflow management, role-based access, and broad third-party integrations.

How is SignProof different from SignNow?

SignNow is a document workflow platform targeting business teams, with features for template management, role-based access control, bulk send, and integrations with CRM and productivity suites. SignProof is a developer-first e-signature API focused on document integrity — a PKCS#7 service seal and hash-chained audit log — with a simpler pricing model and full API access on the free tier.

Does SignProof have a free tier?

Yes. The free Starter plan includes full REST API access, PKCS#7 sealing, OTP identity verification, and webhooks, with 5 envelopes per month. Paid plans start at $9/month (Solo), with unlimited envelopes from $29/month (Pro).

See also: vs DocuSign · vs PandaDoc · vs Dropbox Sign · Best e-signature APIs

Start free, build in minutes

Try SignProof free →